Helical gear differential housing



FIG. 1 is a front perspective view of a first embodiment of a helical gear differential housing showing the new design.

FIG. 2 is a rear perspective view of the first embodiment of the helical gear differential housing of FIG. 1.

FIG. 3 is a front view of the first embodiment of the helical gear differential housing of FIG. 1.

FIG. 4 is a rear view of the first embodiment of the helical gear differential housing of FIG. 1.

FIG. 5 is a first side view of the first embodiment of the helical gear differential housing of FIG. 1.

FIG. 6 is a second side view of the first embodiment of the helical gear differential housing of FIG. 1.

FIG. 7 is a third side view of the first embodiment of the helical gear differential housing of FIG. 1; and,

FIG. 8 is a fourth side view of the first embodiment of the helical gear differential housing of FIG. 1. 

CLAIM The ornamental design for a helical gear differential housing, as shown and described. 